$ /nix/store/vzx1mi9c0xfadmsm9dhd83d005cb1qs9-coreutils-9.8/bin/timeout --kill-after=15s 7200s /nix/store/86n4l5yri6hys3zk2mwy2azcv9prqb8j-nix-2.31.4/bin/nix --extra-experimental-features nix-command --extra-experimental-features flakes --log-format internal-json build --no-link git+https://github.com/NorfairKing/opt-env-conf?ref=master&rev=de7ac850e960c28e5182810515a87fbe1d6daede#checks.x86_64-linux.forwardCompatibility --print-build-logs[m
[33m[35;1mwarning:[0m ignoring untrusted flake configuration setting 'extra-substituters'.
Pass '--accept-flake-config' to trust it[m
[33m[35;1mwarning:[0m ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
Pass '--accept-flake-config' to trust it[m
[2m[m
[32mDownloading cached opt-env-conf-0.15.0.2-doc from https://cache.staging.nix-ci.com[m
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[32mDownloading cached opt-env-conf-example from https://cache.staging.nix-ci.com[m
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[1;34mBuilding opt-env-conf-release[m
[2m[opt-env-conf-release] [m/nix/store/hwh9hb11l45ih11igs31bdsj4q5jwjsq-opt-env-conf-example-0.0.0.0/nix-support:
[2m[opt-env-conf-release] [mpropagated-build-inputs: Keeping existing link to /nix/store/4jf34d09yxrbxlvcpyg0af2d7v9divax-opt-env-conf-0.15.0.2/nix-support/propagated-build-inputs
[2m[opt-env-conf-release] [m/nix/store/427nlbpkw70y5xk2984zmaw0w4xka6fw-opt-env-conf-test-0.0.0.4/nix-support:
[2m[opt-env-conf-release] [mpropagated-build-inputs: Keeping existing link to /nix/store/4jf34d09yxrbxlvcpyg0af2d7v9divax-opt-env-conf-0.15.0.2/nix-support/propagated-build-inputs
[2m[post-build-hook] [m[2mUploading to cachix cache "opt-env-conf": /nix/store/rsvxfrn1xvynqymz7fdjhx2sldnv4zli-opt-env-conf-release[m
[2m[post-build-hook] [m[2mNothing to push - all store paths are already on Cachix.[m
[2m[post-build-hook] [m[2mUploading to the NixCI staging cache: /nix/store/rsvxfrn1xvynqymz7fdjhx2sldnv4zli-opt-env-conf-release[m
[2m[post-build-hook] [m[2mcopying 0 paths...[m
[2m[post-build-hook] [m[2mcopying 0 paths...[m
[2mProgress: 1 of 2 built, 8 of 8 downloaded from cache[m